Echinocereus scheeri
{{Short description|Species of plant in the genus Echinocereus}}
{{Speciesbox
|image=Echinocereus scheeri var obscuriensis 02.jpg
|image_caption=In bloom
|image2=Echinocereus scheeri (9322654148).jpg
|image2_caption=A specimen with pink petals
|genus=Echinocereus
|status = LC
|status_system = IUCN3.1
|species=scheeri
|synonyms={{Collapsible list|
- Cereus salm-dyckianus Hemsl.
- Cereus scheeri Salm-Dyck
- Echinocereus chaletii W.Rischer
- Echinocereus cucumis Werderm.
- Echinocereus gentryi Clover
- Echinocereus klapperi W.Blum
- Echinocereus rischeri (R.C.Römer) W.Rischer
- Echinocereus salmianus K.Schum.
- Echinocereus sanpedroensis Raudonat & W.Rischer
- Echinocereus scheeri subsp. paridensis W.Rischer & Trocha
- Echinocereus scheeri subsp. rischeri R.C.Römer
}}}}
Echinocereus scheeri is a species of hedgehog cactus in the family Cactaceae, native to northern Mexico.{{cite web |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:132456-1 |title=Echinocereus scheeri (Salm-Dyck) Scheer |author= |website=Plants of the World Online |publisher=Board of Trustees of the Royal Botanic Gardens, Kew |access-date=3 April 2021 }} With its dramatic offsets, it has gained the Royal Horticultural Society's Award of Garden Merit.{{cite web |title=Echinocereus scheeri |url=https://www.rhs.org.uk/Plants/31979/i-Echinocereus-scheeri-i/Details |publisher=The Royal Horticultural Society |access-date=3 April 2021 }}
Description
Echinocereus scheeri usually grows with numerous shoots sprouting from its base and sometimes forms upright but usually splayed or creeping groups. The cylindrical shoots are tapered towards their tip. They are {{cvt|10 to 70|cm}} long and have a diameter of {{cvt|1.5 to 4|cm}}. There are four to ten clearly blunt ribs, which are straight and occasionally tuberous on their sides. The up to four white to brownish central spines, which can also be missing, are {{cvt|0.1 to 2|cm}} long. The usually 6 to 13 white to light brown radial spines are {{cvt|1 to 7|mm}} long.
The tubular-funnel-shaped flowers are pink to orange to scarlet. They appear along the sides of the shoots from sharply pointed buds, are {{cvt|6 to 12|cm}} long and reach {{cvt|4 to 6|cm}} in diameter. The short egg-shaped fruits are bright green and contain white pulp. They tear open lengthwise and are covered with slightly sloping thorns.{{cite book | last1=Anderson | first1=Edward F. | last2=Eggli | first2=Urs | title=Das grosse Kakteen-Lexikon | publisher=Ulmer | publication-place=Stuttgart (Hohenheim) | date=2005 | isbn=3-8001-4573-1 | language=de | pages=207–208}} Chromosome count is 2n=22.{{cite web | title=Echinocereus Online-J. VI (2018) | url=http://www.echinocereus.eu/Publikationen/Journal/EcJ-Online%202018%2001+02%20ov.pdf | access-date=2024-07-29}}
=Subspecies=
The following subspecies are currently accepted:
| class="wikitable " | ||
| Image | Subspecies | Distribution |
|---|---|---|
| Echinocereus scheeri subsp. chaletii (W.Rischer) N.P.Taylor | Chihuahua | |
| Echinocereus scheeri subsp. cucumis (Werderm.) W.Blum & Oldach | Sonora | |
| 120px | Echinocereus scheeri subsp. gentryi (Clover) N.P.Taylor | eastern Sonora to western Chihuahua |
| 120px | Echinocereus scheeri subsp. scheeri | E. Sonora to W. Durango |
Distribution
Echinocereus scheeri is distributed in the Mexican states of Sonora, Sinaloa, Chihuahua and Durango.
Taxonomy
The first description as Cereus scheeri by Joseph zu Salm-Reifferscheidt-Dyck was published in 1850. The specific epithet scheeri honors the German trader and plant lover Frederick Scheer. Frederick Scheer placed the species in the genus Echinocereus in 1856
References
{{Reflist}}
External links
- {{Commons category-inline|Echinocereus scheeri|Echinocereus scheeri}}
- {{Wikispecies-inline|Echinocereus scheeri|Echinocereus scheeri}}
{{Taxonbar|from=Q309815}}
Category:Endemic flora of Mexico
Category:Flora of Northwestern Mexico